Big Dog Bonanza slot: RTP and max win
Big Dog Bonanza is a medium-volatility slot by Black Coffee Studios on Stake Engine, released 6 Mar 2026. Its base game returns 98.00%, above the median Engine slot (96.02%) and higher than 100% of them. The top payout is 7,000× the bet; from a base spin it lands about once every 3,579,098 spins. It has 1 bonus buy priced at 100× the bet; the best returns 98.00%, so each buy costs 2.00× the bet on average over the long run.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v36. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 98.00% | 7,000× | 1 in 3,579,098 | 1 in 2.76 | 1 in 9.19 | 0.02× base | Simulate |
| Ante1 | Boosted spin | 1.25× | 98.00% | 7,000× | 1 in 2,354,841 | 1 in 5.45 | 1 in 9.71 | 0.03× base | Simulate |
| Ante2 | Boosted spin | 10× | 98.00% | 7,000× | 1 in 249,543 | 1 in 5.81 | 1 in 9.03 | 0.20× base | Simulate |
| Bonus | Bonus buy | 100× | 98.00% | 7,000× | 1 in 19,680 | – | 1 in 2.76 | 2.00× base | Simulate |
Work out the cost of Big Dog Bonanza bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v36 | 98.000% | Active |
| v35 | 98.000% |
Frequently asked
What is the RTP of Big Dog Bonanza?
Base spins return 98.00% of the amount wagered over the long run, from the published outcome table for version 36. Its bonus buy returns 98.00%.
What is the max win in Big Dog Bonanza and how likely is it?
The top payout is 7,000× the base bet. On a base spin it lands 1 in 3,579,098 spins. In the Bonus buy (100×) 7,000× lands 1 in 19,680 buys.
Does Big Dog Bonanza have a bonus buy, and what does it cost?
Yes, 1 buy mode. Bonus: 100× the base bet, 98.00% RTP, an expected cost of 2.00× the base bet per buy.
Is Big Dog Bonanza high or low volatility?
Medium. Its base-mode standard deviation is 19.6× the bet, which puts it in the middle third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.
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